| 31. | Several vestibular response changes were noted during the early period in weightlessness.
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| 32. | Some experts had been concerned that weightlessness would impair swallowing.
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| 33. | In addition, they used a tire-swing to simulate weightlessness.
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| 34. | There are also subtle differences between freefall and actual weightlessness.
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| 35. | The scientific value of studies of weightlessness cannot be that high, either.
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| 36. | Others examined apparatus for growing plants in weightlessness and tasting Coca-Cola.
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| 37. | A camera that could move 360 degrees helped simulate the feeling of weightlessness.
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| 38. | Long-term weightlessness gives rise to special problems.
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| 39. | Imagine weightlessness and its effects and you will understand some of the attractions.
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| 40. | His chunkiness is less than perfectly suited to Kent's willowy weightlessness.
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